the curved path, usually elliptical, described by a planet, satellite, spaceship, etc., around a celestial body, as the sun.

the usual course of one's life or range of one's activities.

the sphere of power or influence, as of a nation or person

a small nation in the Russian orbit.

Physics . (in Bohr theory) the path traced by an electron revolving around the nucleus of an atom.

an orb or sphere.

Anatomy .

the bony cavity of the skull that contains the eye; eye socket.

the eye.

Zoology . the part surrounding the eye of a bird or insect.

to move or travel around in an orbital or elliptical path

The earth orbits the sun once every 365.25 days.

to send into orbit, as a satellite.

to go or travel in an orbit.

noun

apogee , circle , circumgyration , course , curve , cycle , ellipse , lap , locus , path , pattern , perigee , rotation , round , track , trajectory , ambit , area , arena , boundary , bounds , career , circumference , compass , department , dominion , extension , extent , field , jurisdiction , limit , pilgrimage , precinct , province , purview , radius , range , reach , realm , scope , sphere , sweep , circuit , tour , turn , bailiwick , domain , scene , subject , terrain , territory , world , swing , epicycle , influence , retrograde , revolution

verb

circle , circumvolve , gyrate , revolve , rotate , wheel